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2013-08-06

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/131844

Search for a light Higgs boson decaying to two gluons or ss¯ in the radiative decays of Υ(1S)

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https://doi.org/10.1103/PhysRevD.88.031701

Abstract

We search for the decay Υ ( 1 S ) → γ A 0 , A 0 → g g or s ¯ s , where A 0 is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric Standard Model. We use a sample of ( 17.6 ± 0.3 ) × 10 6 Υ ( 1 S ) mesons produced in the BABAR experiment via e + e − → Υ ( 2 S ) → π + π − Υ ( 1 S ) . We see no significant signal and set 90%-confidence-level upper limits on the product branching fraction B ( Υ ( 1 S ) → γ A 0 ) ⋅ B ( A 0 → g g   or   s ¯ s ) ranging from 10 − 6 to 10 − 2 for A 0 masses in the range 0.5 - 9.0     GeV / c 2 .

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Física de partícules, Experiments

Subject (English)

Particle physics, Experiments

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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GRAUGÉS POUS, Eugeni and BABAR Collaboration. Search for a light Higgs boson decaying to two gluons or ss¯ in the radiative decays of Υ(1S). Physical Review D. 2013. Vol. 88, num. 3, pags. 031701(R). ISSN 1550-7998. [consulted: 9 of August of 2026]. Available at: https://hdl.handle.net/2445/131844

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